INCOME TAXES (Details 4) - USD ($)	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Income taxes using U.S. federal statutory rate, Amount	$ 2,128,063	$ 1,265,378
State income taxes, net of federal benefit, Amount	(165,221)	96,742
Impact on Foreign Repatriation Tax Reform, Amount	11,313	139,765
Impact of foreign subsidiaries on effective tax rate, Amount	282,614	165,210
Impact of Research & Development tax credit, Amount	188,944	188,944
Uncertain tax positions reserve, Amount	(417,197)	(926,101)
Other-net, Amount	(300,935)	68,040
Total income tax computed	$ 784,465	$ 620,090
Income taxes using U.S. federal statutory rate, Percent	21.00%	21.00%
State income taxes, net of federal benefit, Percent	(2.00%)	1.00%
Impact on Foreign Repatriation Tax Reform, percent	0.00%	2.00%
Impact of foreign subsidiaries on effective tax rate, Percent	(3.00%)	3.00%
Impact of Research & Development tax credit, Percentage	(3.00%)	(3.00%)
Uncertain tax positions reserve, Percentage	(3.00%)	(15.00%)
Other-net, Percent	(3.00%)	1.00%
Effective income tax rate	7.00%	10.00%
Segment Continuing Operations [Member]
Income taxes using U.S. federal statutory rate, Amount	$ 4,004,817	$ 2,775,547
State income taxes, net of federal benefit, Amount	61,777	148,374
Impact on Foreign Repatriation Tax Reform, Amount	11,313	139,765
Impact of foreign subsidiaries on effective tax rate, Amount	282,614	165,210
Impact of Research & Development tax credit, Amount	188,944	188,944
Uncertain tax positions reserve, Amount	(417,197)	(926,101)
Other-net, Amount	(300,935)	68,040
Total income tax computed	$ 2,888,217	$ 2,181,891
Income taxes using U.S. federal statutory rate, Percent	21.00%	21.00%
State income taxes, net of federal benefit, Percent	1.00%	1.00%
Impact on Foreign Repatriation Tax Reform, percent	0.00%	1.00%
Impact of foreign subsidiaries on effective tax rate, Percent	(2.00%)	1.00%
Impact of Research & Development tax credit, Percentage	(1.00%)	(1.00%)
Uncertain tax positions reserve, Percentage	(2.00%)	(7.00%)
Other-net, Percent	(2.00%)	0.00%
Effective income tax rate	15.00%	16.00%